Ice cream (アイス,Aisu?) is a type of consumable item in Kingdom Hearts Birth by Sleep that manually places the character into a set Command Style. However, using an Ice Cream will not always cause the character to switch to the desired Command Style—15% of the time, it will instead activate the special Frozen Fortune Command Style, which can only be activated through this method, and if the player is already using a Command Style, there is a separate 15% chance of activating the current style's Finish Command.

Like all consumable items in this game, Ice Creams can only be equipped as item commands, but they must first be made at the Ice Cream Shop using specified Flavors. Each ice cream can be made as soon as its Flavors are collected, though it cannot be used until its respective Command Style is unlocked, and once the character has made their first batch of an Ice Cream, Huey, Dewie, and Louie also put the recipe up for sale, so that the character can obtain more ice cream either by spending munny or through continued mixing. Once Terra, Ventus, or Aqua obtains each of their personal types of Ice Cream, they also receive the Sweetstack.

At the end of the Million Dreams Award contest, the citizens of Disney Town vote for who they believe has been the best citizen, and surprisingly, Terra, Ventus, and Aqua all tie for first place, due to their good deeds around town. Although Terra and Ventus have already moved on to other worlds and cannot collect their award, Aqua is given a cone of Royalberry ice cream as her prize, and she declares it to be the perfect flavor.

This information is based on alternate scenes or materials and is not considered canon within the overall plot of the series.

Although Aqua's episode in Disney Town is meant to be played last, if either Terra or Ventus complete Disney Town while there are cleared files for Aqua and the other character, they will be the one to receive the contest prize. Terra receives a bar of Rockin' Crunch, while Ventus receives a bowl of Double Crunch.